EXT4-fs warning (device loop3): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting
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WARNING: CPU: 1 PID: 4037 at fs/ext4/xattr.c:1438 ext4_xattr_inode_create fs/ext4/xattr.c:1436 [inline]
WARNING: CPU: 1 PID: 4037 at fs/ext4/xattr.c:1438 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1556 [inline]
WARNING: CPU: 1 PID: 4037 at fs/ext4/xattr.c:1438 ext4_xattr_set_entry+0x1664/0x2d98 fs/ext4/xattr.c:1684
Modules linked in:
CPU: 1 PID: 4037 Comm: syz-executor Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ext4_xattr_inode_create fs/ext4/xattr.c:1436 [inline]
pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1556 [inline]
pc : ext4_xattr_set_entry+0x1664/0x2d98 fs/ext4/xattr.c:1684
lr : ext4_xattr_inode_create fs/ext4/xattr.c:1436 [inline]
lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1556 [inline]
lr : ext4_xattr_set_entry+0x1664/0x2d98 fs/ext4/xattr.c:1684
sp : ffff80001f2b6f80
x29: ffff80001f2b71c0 x28: ffff80001f2b72e0 x27: ffff0000f15ae450
x26: dfff800000000000 x25: 1ffff00003e56e99 x24: ffff0000e9b03e70
x23: ffff0000e9b03e98 x22: ffff0000f15ae450 x21: 00000000bd8f6515
x20: ffff0000dbfcc068 x19: ffff0000dbfcc000 x18: 0000000000000001
x17: 0000000000000000 x16: ffff8000111a97c4 x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 217e118b1f5ed400
x8 : 217e118b1f5ed400 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f2b6738 x4 : ffff80001423f280 x3 : ffff80000a732684
x2 : ffff0001a110ad10 x1 : 0000000100000000 x0 : 0000000000000066
Call trace:
 ext4_xattr_inode_create fs/ext4/xattr.c:1436 [inline]
 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1556 [inline]
 ext4_xattr_set_entry+0x1664/0x2d98 fs/ext4/xattr.c:1684
 ext4_xattr_block_set+0x9a0/0x26fc fs/ext4/xattr.c:1935
 ext4_xattr_move_to_block fs/ext4/xattr.c:2632 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2707 [inline]
 ext4_expand_extra_isize_ea+0xd8c/0x1504 fs/ext4/xattr.c:2799
 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5886
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5929 [inline]
 __ext4_mark_inode_dirty+0x434/0x7b0 fs/ext4/inode.c:6007
 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6039
 __mark_inode_dirty+0x2b0/0x1070 fs/fs-writeback.c:2464
 mark_inode_dirty_sync include/linux/fs.h:2472 [inline]
 iput+0x1bc/0x77c fs/inode.c:1792
 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380
 __dentry_kill+0x320/0x598 fs/dcache.c:586
 shrink_dentry_list+0x410/0x7c8 fs/dcache.c:1181
 shrink_dcache_parent+0xb0/0x354 fs/dcache.c:-1
 do_one_tree+0x2c/0xf0 fs/dcache.c:1662
 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679
 generic_shutdown_super+0x68/0x2f0 fs/super.c:447
 kill_block_super+0x70/0xdc fs/super.c:1427
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0xf8/0x118 fs/super.c:366
 cleanup_mnt+0x3a4/0x458 fs/namespace.c:1139
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1146
 task_work_run+0x12c/0x1e0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x24b4/0x3128 arch/arm64/kernel/signal.c:949
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xf0/0x1e0 arch/arm64/kernel/entry-common.c:609
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 804758
hardirqs last  enabled at (804757): [<ffff8000082f7764>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (804758): [<ffff8000111a5098>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (804610): [<ffff80000819d1e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (804610): [<ffff80000819d1e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (803865): [<ffff80000819d7ec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (803865): [<ffff80000819d7ec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (803865): [<ffff80000819d7ec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (803865): [<ffff80000819d7ec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace d1661f697a16134b ]---